Performance shell



FIG. 1 is a perspective view from the bottom, left side of a performance shell;

FIG. 2 is an elevation view from the left side of the performance shell of FIG. 1;

FIG. 3 is an elevation view from the right side of the performance shell of FIG. 1;

FIG. 4 is a front elevation view of the performance shell of FIG. 1;

FIG. 5 is a rear elevation view of the performance shell of FIG. 1;

FIG. 6 is a top plan view of the performance shell of FIG. 1; and,

FIG. 7 is a bottom plan view of the performance shell of FIG. 1. 

The ornamental design of a performance shell, as shown and described. 